# Exploit Title: WordPress Plugin LifterLMS 4.21.0 - Stored Cross-Site Scripting (XSS)   
# Date: 2021-05-10  
# Exploit Author: Captain_hook  
# Vendor Homepage:  
# Software Link:  
# Version: LifterLMS < 4.21.1  
# Tested on: ANY  
# CVE : CVE-2021-24308  
The 'State' field of the Edit profile page of the LMS by LifterLMS รขโ‚ฌโ€œ Online Course, Membership & Learning Management System Plugin for WordPress plugin before 4.21.1 is not properly sanitised when output in the About section of the profile page, leading to a stored Cross-Site Scripting issue. This could allow low privilege users (such as students) to elevate their privilege via an XSS attack when an admin will view their profile.  
1- As a Lowest Privilege user go to the edit account page of the LMS  
2- Put Your XSS payload in State parameter and save your edits, such  
as "><script>alert(/XSS/)</script>  
3- The XSS will be stored and triggered in the about section of the profile: (e.g[user_name]/) (Note): The XSS will also be triggered in the admin dashboard when viewing the user details, for example